CN110821952B

CN110821952B - Ball bearing

Info

Publication number: CN110821952B
Application number: CN201911129691.4A
Authority: CN
Inventors: 罗青华; 刘洪军; 王淑军; 朱立生
Original assignee: Hunan Xinda Micro Bearing Co ltd
Current assignee: Hunan Xinda Micro Bearing Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2021-04-27
Anticipated expiration: 2039-11-19
Also published as: CN110821952A

Abstract

The invention relates to the technical field of bearings and discloses a ball bearing. The ball bearing comprises a bearing outer ring, a bearing inner ring, balls, a protective frame, a dust cover, a sealing ring, an oiling device, a fixed block and a fixing device, the circumference of the bearing inner ring is movably connected with a ball, one side of the ball, which is far away from the bearing inner ring, is sleeved with a bearing outer ring, a protective frame is movably arranged between the bearing inner ring and the bearing outer ring, when lubricating grease is added through the oil injection device, the direct oil injection can be realized without disassembling the dust cap, and by pressing the adjusting conical rod, thereby leading the adjusting conical rod and the sealing conical block to be extruded, leading the sealing conical block to vertically move downwards under the action of the guide sliding groove block, thereby a gap is formed between the oil injection groove and the sealing conical block, thereby facilitating oil injection, after the oil injection is finished, the adjusting conical rod is loosened, under the effect of buffer spring, the sealing conical block moves upwards to seal the oil injection groove, thereby achieving the effect of convenient oil injection.

Description

Ball bearing

Technical Field

The invention relates to the technical field of bearings, in particular to a ball bearing.

Background

The ball bearing is one kind of rolling bearing, and has spherical alloy steel balls installed between the inner steel ring and the outer steel ring to reduce friction force and raise the mechanical power transmission efficiency. Ball bearings cannot withstand large heavy loads and are common in light industrial machinery. Ball bearings are also known as ball bearings.

And "a double seal ball bearing" to patent number CN107355477A includes inner circle, outer lane and arranges the ball of inner circle and outer lane in the both sides of ball are provided with the shield respectively the inboard both sides that are located the ball of outer lane are provided with a draw-in groove respectively, and the outer lane internal surface of this draw-in groove both sides has a thickness difference the inboard of draw-in groove is provided with a plasticity cushion, the shield sets up in the draw-in groove, and the inboard of shield with the outside contact of plasticity cushion, but when adding lubricating grease, need dismantle the shield and just can carry out the oiling, complex operation, problem of inefficiency, secondly current bearing is when installing fixedly, fixes through bolt and nut's cooperation usually, and is troublesome and complex operation.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the ball bearing which has the advantages of direct oil injection without disassembling a dust cap, convenience in installation and fixation and the like, solves the problems of complex operation and low efficiency caused by the fact that oil injection can be carried out only by disassembling the dust cap when lubricating grease is added, and solves the problems of trouble and complex operation caused by the fact that the existing bearing is usually fixed through the matching of bolts and nuts when being installed and fixed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a ball bearing, includes bearing inner race, ball, protection frame, shield, sealing ring, oiling device, fixed block and fixing device, swing joint has the ball on the circumference of bearing inner race, one side cover of keeping away from the bearing inner race of ball is equipped with the bearing inner race, movable mounting has the protection frame between bearing inner race and the bearing inner race, positive surface and the equal fixed mounting in rear surface between bearing inner race and the bearing inner race have the shield, fixed mounting has the sealing ring on the periphery that the shield is close to the bearing inner race, the rear surface mounting of shield has oiling device, the equal fixed mounting in the left and right sides of bearing inner race has the fixed block, fixing device is installed for one side of bearing inner race to the fixed block.

The oiling device includes the oil filler point, the top at the shield is seted up to the oil filler point, the left side bottom fixed mounting of oil filler point has a piston cylinder, movable mounting has buffer spring in the piston cylinder, buffer spring's top swing joint has the movable rod, the top swing joint of movable rod has sealed taper block, the left side swing joint of sealed taper block has the direction spout piece, the right side fixed mounting of sealed taper block has sealed piece, the top swing joint of sealed taper block has the regulation conical rod, the right-hand member swing joint of regulation conical rod has the spacing ring.

Fixing device is including the installation piece, installation piece fixed mounting is in one side of fixed block for the bearing inner race, middle part movable mounting has the push pedal in the installation piece, the left side swing joint of push pedal has the rack plate, the top and the bottom of rack plate all mesh the gear, fixed mounting has the projection on the positive circumference of gear, swing joint has first swinging arms on the circumference of projection, the top swing joint of first swinging arms has the second swinging arms, the middle part swing joint of second swinging arms has the bracing piece, the right-hand member fixed mounting of second swinging arms has the fixture block, the draw-in groove has all been seted up for one side top and the bottom of bearing inner race to the fixed block.

Furthermore, a plurality of round holes are formed in the circumference of the protection frame, and the balls are movably mounted in the round holes.

Furthermore, a sealing ring is fixedly mounted at the joint surface of the dust cover and the bearing outer ring, and a sealing ring is fixedly mounted at the joint surface of the dust cover and the bearing inner ring.

Furthermore, adjust the toper pole and run through and swing joint has the shield, and adjusts toper pole swing joint at the top of oiling groove, and the top of sealed awl piece all is equipped with the assorted slope slip surface with the left end of adjusting the toper pole, and the length of sealed awl piece is greater than the groove width of oiling groove.

Furthermore, the movable rod penetrates through and is movably connected with a piston cylinder, and a guide sliding groove block is fixedly mounted on the left side of the top of the piston cylinder.

Furthermore, the axle center department movable mounting of gear has the loose axle, and loose axle movable mounting is at top and bottom in the installation piece.

Furthermore, bracing piece fixed mounting is top and bottom in the installation piece, and the connection between first swinging arms, second swinging arms and the bracing piece all is through activity hinge pin swing joint.

Furthermore, the size of the clamping block is matched with that of the clamping groove, and the position of the clamping block is matched with that of the clamping groove.

The invention has the beneficial effects that:

1. this ball bearing, through the oiling groove in the oiling device, a piston cylinder, buffer spring, the movable rod, sealed taper block, the direction spout piece, sealed piece, adjust the taper rod, cooperation setting between the spacing ring, when adding lubricating grease, need not dismantle the shield and can directly annotate the oil, through pressing the regulation taper rod, thereby make and adjust the taper rod and take place the extrusion with sealed taper block, thereby sealed taper block is under the effect of direction spout piece, vertical downstream, thereby the oiling groove forms the clearance with sealed taper block, thereby make things convenient for the oiling, after the oiling, loosen and adjust the taper rod, under buffer spring's effect, sealed taper block shifts up, seal the oiling groove, thereby reach the effect of convenient oiling.

2. This ball bearing, through draw-in groove among the fixing device, the installation piece, the push pedal, the rack plate, the gear, the projection, first swinging arms, the second swinging arms, cooperation setting between bracing piece and the fixture block, thereby remove the fixed block, make the fixed block get into in the installation piece, thereby the one end promotion push pedal of fixed block removes, the gear rotation in rack plate removal area, thereby make first swinging arms rebound on the projection, thereby make the right-hand member of second swinging arms remove downwards, thereby the fixture block carries out the chucking with the draw-in groove, thereby the effect of the installation of being convenient for has been reached.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 4 at B in accordance with the present invention;

fig. 6 is a perspective view of the ball bearing of the present invention.

Description of reference numerals: 1-bearing outer ring, 2-bearing inner ring, 3-ball, 4-protective frame, 5-dust cap, 6-sealing ring, 7-oiling device, 701-oiling groove, 702-piston cylinder, 703-buffer spring, 704-movable rod, 705-sealing conical block, 706-guiding sliding groove block, 707-sealing block, 708-adjusting conical rod, 709-limiting ring, 8-fixing block, 9-fixing device, 901-clamping groove, 902-mounting block, 903-push plate, 904-rack plate, 905-gear, 906-convex column, 907-first swinging rod, 908-second swinging rod, 909-supporting rod and 910-clamping block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, a ball bearing comprises a bearing outer ring 1, a bearing inner ring 2, balls 3, a protective frame 4, a dust cap 5, a sealing ring 6, an oiling device 7, a fixing block 8 and a fixing device 9, wherein the balls 3 are movably connected to the circumference of the bearing inner ring 2, the bearing outer ring 1 is sleeved on one side of the balls 3 away from the bearing inner ring 2, the protective frame 4 is movably installed between the bearing inner ring 2 and the bearing outer ring 1, a plurality of round holes are formed on the circumference of the protective frame 4, the balls 3 are movably installed in the round holes, the dust cap 5 is fixedly installed on the front surface and the rear surface between the bearing inner ring 2 and the bearing outer ring 1, the sealing ring 6 is fixedly installed on the joint surface of the dust cap 5 and the bearing inner ring 2, the sealing ring 6, the rear surface mounting of shield 5 has oiling device 7, and the equal fixed mounting in the left and right sides of bearing inner race 1 has fixed block 8, and fixing device 9 is installed for one side of bearing inner race 1 to fixed block 8.

The oil injection device 7 comprises an oil injection groove 701, the oil injection groove 701 is arranged at the top of the dust cap 5, a piston cylinder 702 is fixedly arranged at the bottom of the left side of the oil injection groove 701, a buffer spring 703 is movably arranged in the piston cylinder 702, the top of the buffer spring 703 is movably connected with a movable rod 704, the movable rod 704 penetrates through and is movably connected with the piston cylinder 702, a guide sliding groove block 706 is fixedly arranged at the left side of the top of the piston cylinder 702, a sealing conical block 705 is movably connected at the top end of the movable rod 704, the left side of the sealing conical block 705 is movably connected with the guide sliding groove block 706, a sealing block 707 is fixedly arranged at the right side of the sealing conical block 705, an adjusting conical rod 708 is movably connected at the top end of the sealing conical block 705, the dust cap 5 penetrates through and is movably connected with the adjusting conical rod 708, the adjusting conical rod 708 is movably arranged at the top of the oil injection groove 701, the, the length of the sealing conical block 705 is larger than the groove width of the oil injection groove 701, and the right end of the adjusting conical rod 708 is movably connected with a limiting ring 709.

The fixing device 9 comprises a mounting block 902, the mounting block 902 is fixedly mounted on one side of the fixed block 8 opposite to the bearing outer ring 1, a push plate 903 is movably mounted in the middle of the mounting block 902, a rack plate 904 is movably connected to the left side of the push plate 903, gears 905 are respectively engaged with the top and the bottom of the rack plate 904, a movable shaft is movably mounted at the axis of the gear 905 and movably mounted at the top and the bottom of the mounting block 902, a convex column 906 is fixedly mounted on the right circumferential surface of the gear 905, a first swinging rod 907 is movably connected to the circumference of the convex column 906, a second swinging rod 908 is movably connected to the top end of the first swinging rod 907, a support rod 909 is movably connected to the middle of the second swinging rod 908, the support rods 909 are fixedly mounted at the top and the bottom of the mounting block 902, the first swinging rod 907, the second swinging rod 908 and the support rod 909 are movably connected through movable pins, and a fixture block 910 is fixedly mounted at, the fixing block 8 is provided with a clamping groove 901 at the top and the bottom of one side relative to the bearing outer ring 1, the clamping block 910 is matched with the clamping groove 901 in size, and the clamping block 910 is matched with the clamping groove 901 in position.

When the oil injection device is used, through the matching arrangement among the oil injection groove 701, the piston cylinder 702, the buffer spring 703, the movable rod 704, the sealing conical block 705, the guide sliding groove block 706, the sealing block 707, the adjusting conical rod 708 and the limiting ring 709, when lubricating grease is added, oil can be directly injected without detaching the dust cover 5, the adjusting conical rod 708 is pressed to extrude the adjusting conical rod 708 and the sealing conical block 705, so that the sealing conical block 705 vertically moves downwards under the action of the guide sliding groove block 706, so that a gap is formed between the oil injection groove 701 and the sealing conical block 705, so that oil injection is facilitated, after the oil injection is finished, the adjusting conical rod 708 is loosened, the sealing conical block moves upwards under the action of the buffer spring 703 to seal the oil injection groove 701, so that the effect of facilitating the oil injection is achieved, and the clamping groove 901, the mounting block 902, the push plate 903, the rack plate 904 in the fixing device 9 are used for facilitating the oil injection, Gear 905, projection 906, first swinging arms 907, second swinging arms 908, cooperation setting between bracing piece 909 and the fixture block 910, thereby remove fixed block 8, make fixed block 8 get into in the installation piece 902, thereby the one end of fixed block 8 promotes push pedal 903 and removes, rack plate 904 removes the gear 905 rotation in area, thereby make first swinging arms 907 rebound on the projection 906, thereby make the right-hand member of second swinging arms 908 move downwards, thereby fixture block 910 carries out the chucking with draw-in groove 901, thereby the effect of the installation of being convenient for has been reached.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a ball bearing, includes bearing inner race (1), bearing inner race (2), ball (3), protection frame (4), shield (5), sealing ring (6), oiling device (7), fixed block (8) and fixing device (9), its characterized in that: the bearing comprises a bearing inner ring (2), balls (3) are movably connected to the circumference of the bearing inner ring (2), a bearing outer ring (1) is sleeved on one side, far away from the bearing inner ring (2), of each ball (3), a protection frame (4) is movably installed between the bearing inner ring (2) and the bearing outer ring (1), dust covers (5) are fixedly installed on the front surface and the rear surface of the space between the bearing inner ring (2) and the bearing outer ring (1), sealing rings (6) are fixedly installed on the circumferential surfaces, close to the bearing outer ring (1), of the dust covers (5), oil injection devices (7) are installed on the rear surfaces of the dust covers (5), fixed blocks (8) are fixedly installed on the left side and the right side of the bearing outer ring (1), and fixing devices (9) are installed on the fixed blocks (8);

the oiling device (7) comprises an oiling groove (701), the oiling groove (701) is formed in the top of the dustproof cover (5), a piston cylinder (702) is fixedly installed at the bottom of the left side of the oiling groove (701), a buffer spring (703) is movably installed in the piston cylinder (702), a movable rod (704) is movably connected to the top of the buffer spring (703), a sealing conical block (705) is movably connected to the top end of the movable rod (704), a guide sliding groove block (706) is movably connected to the left side of the sealing conical block (705), a sealing block (707) is fixedly installed on the right side of the sealing conical block (705), an adjusting conical rod (708) is movably connected to the top end of the sealing conical block (705), and a limiting ring (709) is movably connected to the right end of the adjusting conical rod (708);

the fixing device (9) comprises a mounting block (902), the mounting block (902) is fixedly mounted on one side of the fixing block (8) relative to the bearing outer ring (1), a push plate (903) is movably arranged in the middle of the mounting block (902), a rack plate (904) is movably connected to the left side of the push plate (903), the top and the bottom of the rack plate (904) are respectively engaged with a gear (905), the right circumference of the gear (905) is fixedly provided with a convex column (906), a first swinging rod (907) is movably connected on the circumference of the convex column (906), the top end of the first swinging rod (907) is movably connected with a second swinging rod (908), the middle part of the second swinging rod (908) is movably connected with a supporting rod (909), a clamping block (910) is fixedly mounted at the right end of the second swinging rod (908), and clamping grooves (901) are formed in the top and the bottom of the fixed block (8) relative to one side of the bearing outer ring (1).

2. A ball bearing according to claim 1, wherein: a plurality of round holes are formed in the circumference of the protection frame (4), and the balls (3) are movably mounted in the round holes.

3. A ball bearing according to claim 1, wherein: the bearing is characterized in that a sealing ring (6) is fixedly mounted at the joint face of the dustproof cover (5) and the bearing outer ring (1), and a sealing ring (6) is fixedly mounted at the joint face of the dustproof cover (5) and the bearing inner ring (2).

4. A ball bearing according to claim 1, wherein: the adjustable taper rod (708) penetrates through and is movably connected with the dust cover (5), the adjustable taper rod (708) is movably installed at the top of the oil filling groove (701), the top end of the sealing taper block (705) and the left end of the adjustable taper rod (708) are both provided with matched inclined sliding surfaces, and the length of the sealing taper block (705) is larger than the groove width of the oil filling groove (701).

5. A ball bearing according to claim 1, wherein: the movable rod (704) penetrates through and is movably connected with a piston cylinder (702), and a guide sliding groove block (706) is fixedly installed on the left side of the top of the piston cylinder (702).

6. A ball bearing according to claim 1, wherein: the axle center department movable mounting of gear (905) has the loose axle, and loose axle movable mounting is top and bottom in installation piece (902).

7. A ball bearing according to claim 1, wherein: the supporting rods (909) are fixedly arranged at the top and the bottom in the mounting block (902), and the first swinging rod (907), the second swinging rod (908) and the supporting rods (909) are movably connected through movable pin shafts.

8. A ball bearing according to claim 1, wherein: the size of the fixture block (910) is matched with that of the clamping groove (901), and the position of the fixture block (910) is matched with that of the clamping groove (901).